jon: and i'm jon scott. dramatic new developments in that debt standoff in washington, and we are all over them. president obama speaking just moments ago urging republicans and democrats to reach some kind of compromise. he's warning the u.s. will lose its top credit rating if it falls into an unprecedented default. jenna: and it could lose that rating anyway. that's something we've been hearing a lot this week, that despite some of the decisions made in d.c., we could still see a downgrade. now, the political standoff as we know it is escalating this hour. a senior gop official, a house aide, i should say, telling fox news that house republicans will pass their debt plan today. we thought that yesterday. we'll see if it happens today. a bill that senate democrats say is dead on arrival, though, as they move ahead with their own debt limit bill setting up a showdown vote really for this weekend. ahead of that host of your world, neil cavuto, is live on capitol hill with his observations about what's happeni